What is the key component of statistical process control $($SPC$)?$

A$)$ Sequential sampling

B$)$ Control charts

C$)$ Hypothesis testing

D$)$ Quality assurance inspections

Which aspect of quality management focuses on personnel integrity, motivation, and team spirit?

A$)$ Elements

B$)$ Infrastructure

C$)$ Competence

$($D$)$ Soft elements

What is the term used to describe the variability of the output of a process compared to a proposed specification or product tolerance?

A$)$ Process reliability

B$)$ Process stability

$($C$)$ Process capability

D$)$ Process efficiency

$11.$What is the primary purpose of Statistical Process Control $($SPC$)?$

A$)$ To identify all variations in a process

B$)$ To reduce waste and detect process variations

C$)$ To eliminate the need for quality inspection

D$)$ To increase the likelihood of problems being passed on to the customer